Compositions: coating or plastic – Coating or plastic compositions – Contains fireproofing or biocidal agent
Reexamination Certificate
2005-03-31
2009-06-16
Green, Anthony J (Department: 1793)
Compositions: coating or plastic
Coating or plastic compositions
Contains fireproofing or biocidal agent
C106S015050, C106S018130, C424S641000, C424S658000, C424S659000, C424S660000, C424SDIG010, C424SDIG011
Reexamination Certificate
active
07547354
ABSTRACT:
Compositions and methods are provided for treating wood products to provide leach-resistant protection against fungal decay, termites and other wood destroying organisms. The preservative compositions provided include ammonia-stabilized solutions of zinc and boron, preferably in a molar ratio of Zn:B of between about 0.4:1 and 5:1, and are essentially copper free. The preservative may be applied by vacuum and/or pressure treatment or dip treatment under atmospheric pressure.
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Dev, Indra et al., “Terminte resistance and permanency tests on zinc-borate—an environmental friendly preservative”, J. Timb. Dev. Assoc. (India), vol. XLIII, No. 2, Apr. 1997.
Hu Yatao
Miller Neil T.
Schubert David M.
Ganderup Kurt R.
Green Anthony J
PQ Corporation
U.S. Borax Inc.
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